refactor handling of scheduler defaults

1 files changed, 35 insertions, 2 deletions

diff --git a/roles/openshift_master_facts/tasks/main.yml b/roles/openshift_master_facts/tasks/main.yml
index 1f27a2c1d..170861484 100644
--- a/roles/openshift_master_facts/tasks/main.yml
+++ b/roles/openshift_master_facts/tasks/main.yml
@@ -64,8 +64,6 @@
       master_count: "{{ openshift_master_count | default(None) }}"
       controller_lease_ttl: "{{ osm_controller_lease_ttl | default(None) }}"
       master_image: "{{ osm_image | default(None) }}"
-      scheduler_predicates: "{{ openshift_master_scheduler_predicates | default(None) }}"
-      scheduler_priorities: "{{ openshift_master_scheduler_priorities | default(None) }}"
       admission_plugin_config: "{{openshift_master_admission_plugin_config | default(None) }}"
       kube_admission_plugin_config: "{{openshift_master_kube_admission_plugin_config | default(None) }}" # deprecated, merged with admission_plugin_config
       oauth_template: "{{ openshift_master_oauth_template | default(None) }}" # deprecated in origin 1.2 / OSE 3.2
@@ -79,3 +77,38 @@
       audit_config: "{{ openshift_master_audit_config | default(None) }}"
       metrics_public_url: "{% if openshift_hosted_metrics_deploy | default(false) %}https://{{ metrics_hostname }}/hawkular/metrics{% endif %}"
       scheduler_args: "{{ openshift_master_scheduler_args | default(None) }}"
+
+- name: Determine if scheduler config present
+  stat:
+    path: "{{ openshift_master_scheduler_conf }}"
+  register: scheduler_config_stat
+
+- block:
+  - set_fact:
+      openshift_master_scheduler_predicates: "{{ lookup('openshift_master_facts_default_predicates') }}"
+    when: "{{ openshift_master_scheduler_predicates is not defined }}"
+
+  - set_fact:
+      openshift_master_scheduler_priorities: "{{ lookup('openshift_master_facts_default_priorities') }}"
+    when: "{{ openshift_master_scheduler_priorities is not defined }}"
+  when: "{{ not scheduler_config_stat.stat.exists }}"
+
+- block:
+  - name: Retrieve current scheduler config
+    slurp:
+      src: "{{ openshift_master_scheduler_conf }}"
+    register: current_scheduler_config
+
+  - fail:
+      msg: "Could not decode scheduler config"
+    when: "{{ (current_scheduler_config.content | b64decode | from_json).apiVersion | default(none) != 'v1' }}"
+
+  - set_fact:
+      openshift_master_scheduler_predicates: "{{ (current_scheduler_config.content | b64decode | from_json).predicates }}"
+    when: "{{ openshift_master_scheduler_predicates is not defined }}"
+
+  - set_fact:
+      openshift_master_scheduler_priorities: "{{ (current_scheduler_config.content | b64decode | from_json).priorities }}"
+    when: "{{ openshift_master_scheduler_priorities is not defined }}"
+
+  when: "{{ scheduler_config_stat.stat.exists }}"